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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2033) Deadlock on producerWindow.waitForSpace() in ActiveMQMessageProducer
Date Mon, 29 Dec 2008 11:27:06 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-2033.
-----------------------------

    Resolution: Fixed

I added a close to the original commit so the close (same as your second patch) is currently
on trunk: see the [diff|http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/ActiveMQMessageProducer.java?p2=%2Factivemq%2Ftrunk%2Factivemq-core%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Factivemq%2FActiveMQMessageProducer.java&p1=%2Factivemq%2Ftrunk%2Factivemq-core%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Factivemq%2FActiveMQMessageProducer.java&r1=727353&r2=727352&view=diff&pathrev=727353]

Re the thread usage, and thread per producer. Please open another issue for that as SystemUsage
may need a little refactor to obtain a thread pool or executor reference.



> Deadlock on producerWindow.waitForSpace() in ActiveMQMessageProducer
> --------------------------------------------------------------------
>
>                 Key: AMQ-2033
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2033
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>            Reporter: Danielius Jurna
>            Assignee: Gary Tully
>            Priority: Critical
>             Fix For: 5.3.0
>
>         Attachments: producer.patch, producer.patch, ProducerFlowControlTest.java, ProducerFlowControlTest.patch
>
>
> It seems, that producer throttling with producerWindow enabled doesn't work at all. I'm
attaching unit test for this. After sending about ~80msg producer stops and never resumes
sending. 
> The problem is that producerWindow is not started ActiveMQMessageProducer. There must
be something like this:
> producerWindow.start();
> I'm also attaching patch for this bug

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